1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-in/S12.6.4_A7_T1.js b/js/src/tests/test262/language/statements/for-in/S12.6.4_A7_T1.js
new file mode 100644
index 0000000000..42ffcf4c32
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-in/S12.6.4_A7_T1.js
@@ -0,0 +1,55 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    Properties of the object being enumerated may be deleted during
+    enumeration
+es5id: 12.6.4_A7_T1
+description: >
+    Checking "for (LeftHandSideExpression in Expression) Statement"
+    case
+---*/
+
+var __obj, __accum, __key;
+
+__obj={aa:1,ba:2,ca:3};
+
+__accum="";
+
+for (__key in __obj){
+	
+    erasator_T_1000(__obj,"b");
+  
+	__accum+=(__key+__obj[__key]);
+	
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if (!((__accum.indexOf("aa1")!==-1)&&(__accum.indexOf("ca3")!==-1))) {
+	throw new Test262Error('#1: (__accum.indexOf("aa1")!==-1)&&(__accum.indexOf("ca3")!==-1)');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if (__accum.indexOf("ba2")!==-1) {
+	throw new Test262Error('#2: __accum.indexOf("ba2") === -1. Actual:  __accum.indexOf("ba2") ==='+ __accum.indexOf("ba2")  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+// erasator is the hash map terminator
+function erasator_T_1000(hash_map, charactr){
+	for (var key in hash_map){
+		if (key.indexOf(charactr)===0) {
+			delete hash_map[key];
+		};
+	}
+}
+
+reportCompare(0, 0);